Country
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ASN LANDING PAGE
AS33490
COMCAST-33490 - Comcast Cable Communications, LLC
Last updated · Apr 10, 2026
Total prefixes
99
IPv4 prefixes
38
IPv6 prefixes
61
ASN summary
How to read the scale of AS33490
COMCAST-33490 - Comcast Cable Communications, LLC currently shows 99 prefixes and 42 upstream, downstream, or peer relationships. Larger prefix inventories often indicate broader network footprint, but they should still be read together with country and peering context.
When is an ASN page most useful?
ASN landing pages are more useful than a single IP page when you want cloud provider attribution, routing research, infrastructure comparison, or network topology analysis at the organization level.
How should you read the country, organization, and role of AS33490?
COMCAST-33490 - Comcast Cable Communications, LLC is currently associated with an unknown region. Country data is only a starting point; the more important signals are the organization name, website, prefix volume, and peering relationships that reveal whether the network behaves like a cloud platform, ISP, CDN, or enterprise backbone.
What should you inspect next after the AS33490 page?
This page is currently showing live ASN data that can be used for peer, prefix, and network scale analysis. The most useful next step is usually to return to a related IP landing page, then compare that concrete address with this ASN profile and with broader topic pages for routing, cloud attribution, or WHOIS ownership analysis.
Search intents this ASN page helps cover
AS33490 ASN lookupAS33490 BGPAS33490 peersAS33490 prefixesAS33490 upstreamsCOMCAST-33490 - Comcast Cable Communications, LLC ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS400517
AS400517
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AS53752
AS53752
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AS11995
AS11995
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AS36564
AS36564
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AS13541
AS13541
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AS31128
AS31128
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AS11396
AS11396
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AS25652
AS25652
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AS36040
AS36040
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AS7406
AS7406
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AS23431
AS23431
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AS53531
AS53531
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AS393408
AS393408
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AS18661
AS18661
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AS7441
AS7441
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AS399540
AS399540
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AS23182
AS23182
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AS36612
AS36612
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AS1823
AS1823
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AS11746
AS11746
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AS40227
AS40227
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AS15045
AS15045
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AS399209
AS399209
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AS5705
AS5705
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AS33644
AS33644
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AS26450
AS26450
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AS23408
AS23408
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AS396115
AS396115
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AS14327
AS14327
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AS21718
AS21718
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AS13888
AS13888
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AS29984
AS29984
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AS398977
AS398977
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AS398838
AS398838
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AS396456
AS396456
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AS40298
AS40298
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AS39949
AS39949
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AS32086
AS32086
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AS22171
AS22171
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AS397510
AS397510
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Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 104.145.48.0/20 | AS33490 | — |
| 104.247.154.0/23 | AS33490 | — |
| 107.0.49.0/24 | AS33490 | — |
| 107.0.67.0/24 | AS33490 | — |
| 129.134.133.0/24 | AS33490 | — |
| 129.134.134.0/24 | AS33490 | — |
| 140.99.123.0/24 | AS33490 | — |
| 140.99.151.0/24 | AS33490 | — |
| 140.99.211.0/24 | AS33490 | — |
| 140.99.27.0/24 | AS33490 | — |
| 140.99.59.0/24 | AS33490 | — |
| 173.211.82.0/23 | AS33490 | — |
| 192.83.221.0/24 | AS33490 | — |
| 199.244.171.0/24 | AS33490 | — |
| 199.244.172.0/24 | AS33490 | — |
| 2001:559:184::/48 | AS33490 | — |
| 2001:559:20::/48 | AS33490 | — |
| 2001:559:29b::/48 | AS33490 | — |
| 2001:559:29e::/48 | AS33490 | — |
| 2001:559:2c2::/48 | AS33490 | — |
| 2001:559:2e0::/48 | AS33490 | — |
| 2001:559:336::/48 | AS33490 | — |
| 2001:559:36a::/48 | AS33490 | — |
| 2001:559:3e5::/48 | AS33490 | — |
| 2001:559:3f0::/48 | AS33490 | — |
| 2001:559:433::/48 | AS33490 | — |
| 2001:559:434::/48 | AS33490 | — |
| 2001:559:4::/48 | AS33490 | — |
| 2001:559:5aa::/48 | AS33490 | — |
| 2001:559:711::/48 | AS33490 | — |
| 2001:559:715::/48 | AS33490 | — |
| 2001:559:79a::/48 | AS33490 | — |
| 2001:559:7ea::/48 | AS33490 | — |
| 2001:559:8070::/48 | AS33490 | — |
| 2001:559:8071::/48 | AS33490 | — |
| 2001:559:8094::/48 | AS33490 | — |
| 2001:559:8095::/48 | AS33490 | — |
| 2001:559:812b::/48 | AS33490 | — |
| 2001:559:8164::/48 | AS33490 | — |
| 2001:559:8186::/48 | AS33490 | — |
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Related lookups and next steps
WHOIS vs ASN Ownership Guide
Continue from this ASN into the differences between WHOIS ownership and ASN ownership.
Routing Troubleshooting and Network Analysis
Continue from this ASN into route troubleshooting and network analysis.
Cloud Network and ASN Comparison
Useful when you want to compare this ASN against larger cloud and edge networks.
WHOIS and IP Ownership Guide
Continue from the ASN page into WHOIS and ownership verification.
Frequently asked questions about this ASN page
What does AS33490 represent?
AS33490 is an autonomous system number used to identify an independently operated network. The current page associates it with COMCAST-33490 - Comcast Cable Communications, LLC in an unknown region, which helps determine whether it behaves like a cloud provider, ISP, CDN, or enterprise backbone.
What are peers, upstreams, and prefixes useful for on the AS33490 page?
They help explain the scale, interconnection depth, and route structure of AS33490. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS33490?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS33490, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
WHOIS vs ASN Ownership Guide
Understand why WHOIS ownership and ASN ownership can differ, and how to combine both when deciding who really owns or operates an IP.
WHOIS and IP Ownership Guide
Use WHOIS, ASN, prefixes, and organization data to determine who ultimately owns an IP, range, or resolved domain target.
BGP and ASN Basics Guide
Learn what ASN, BGP routes, prefixes, upstreams, downstreams, and peers mean, then explore real ASN pages.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.